import 'package:flutter/material.dart';

class ContainerRoute extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return Scaffold(
      body: Container(
        margin: EdgeInsets.only(top: 50.0, left: 120.0),
        constraints: BoxConstraints.tightFor(width: 200.0, height: 150.0),//卡片大小
        decoration: BoxDecoration(  //背景装饰
          gradient: RadialGradient( //背景径向渐变
            colors: [Colors.red, Colors.orange],
            center: Alignment.topLeft,
            radius: .98,
          ),
          boxShadow: [
            //卡片阴影
            BoxShadow(
              color: Colors.black54,
              offset: Offset(2.0, 2.0),
              blurRadius: 4.0,
            )
          ],
        ),
        transform: Matrix4.rotationZ(.2),//卡片倾斜变换
        alignment: Alignment.center, //卡片内文字居中
        child: Text(
          //卡片文字
          "5.20", style: TextStyle(color: Colors.white, fontSize: 40.0),
        ),
      ),
    );

  }

}